// <editor-fold defaultstate="collapsed" desc="GNU GPLv3 Header">
/*
 * File:   DataChunkWaveFile.java
 *
 * Copyright (C) 2013 Robert Antoni Buj Gelonch <rbuj@uoc.edu>
 * Copyright (C) 2013 David Megias Jimenez <dmegias@uoc.edu>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
// </editor-fold>
package readwave;

// <editor-fold defaultstate="collapsed" desc="imports">
import java.io.DataInputStream;
import java.io.IOException;
// </editor-fold>

/**
 *
 * @author Robert Antoni Buj Gelonch <rbuj@uoc.edu>
 * @version 1.0
 * @since 2013-08-04
 */
class DataChunkWaveFile extends GenericChunkWaveFile {

    short[] samples;

    /**
     *
     * @param dis
     * @param wBitsPerSample
     *
     * @since 2013-08-04
     */
    DataChunkWaveFile(DataInputStream dis, int wBitsPerSample) throws IOException {
        super(36);
        readID(dis);
        readSize(dis);
        readSamples(dis, wBitsPerSample);
    }

    /**
     * 
     * @param dis
     * @param wBitsPerSample
     *
     * @since 2013-08-04
     */
    private void readSamples(DataInputStream dis, int wBitsPerSample) throws IOException {
        int numSamples = lngSize / (wBitsPerSample / 8);
        samples = new short[numSamples];
        int min = 0, max = 0;
        for (int i = 0; i < numSamples; i++) {
            samples[i] = readShortLE(dis);
            if (samples[i] > max) {
                max = samples[i];
            }
            if (samples[i] < min) {
                min = samples[i];
            }
            System.out.println("data[" + i + "] : " + samples[i]);
        }
        System.out.println("min : " + min);
        System.out.println("max : " + max);
    }
}
